bitPickups/friendica_2019-12_sharedHosting_hotFix
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added spaces + some curly braces + some usage of dbm::is_result()

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Signed-off-by: Roland Haeder <roland@mxchange.org>
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Roland Häder 2017-04-04 19:48:03 +02:00 • committed by Roland Häder
commit 1dc4b60a5a
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9 changed files with 111 additions and 93 deletions
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25
include/lock.php
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@ -2,9 +2,9 @@
// Provide some ability to lock a PHP function so that multiple processes
// can't run the function concurrently
if(! function_exists('lock_function')) {
if (! function_exists('lock_function')) {
function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) {
if( $wait_sec == 0 )
if ( $wait_sec == 0 )
$wait_sec = 2; // don't let the user pick a value that's likely to crash the system
$got_lock = false;
@ -16,7 +16,7 @@ function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) {
dbesc($fn_name)
);
if((dbm::is_result($r)) AND (!$r[0]['locked'] OR (strtotime($r[0]['created']) < time() - 3600))) {
if ((dbm::is_result($r)) AND (!$r[0]['locked'] OR (strtotime($r[0]['created']) < time() - 3600))) {
q("UPDATE `locks` SET `locked` = 1, `created` = '%s' WHERE `name` = '%s'",
dbesc(datetime_convert()),
dbesc($fn_name)
@ -34,10 +34,10 @@ function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) {
q("UNLOCK TABLES");
if(($block) && (! $got_lock))
if (($block) && (! $got_lock))
sleep($wait_sec);
} while(($block) && (! $got_lock) && ((time() - $start) < $timeout));
} while (($block) && (! $got_lock) && ((time() - $start) < $timeout));
logger('lock_function: function ' . $fn_name . ' with blocking = ' . $block . ' got_lock = ' . $got_lock . ' time = ' . (time() - $start), LOGGER_DEBUG);
@ -45,28 +45,29 @@ function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) {
}}
if(! function_exists('block_on_function_lock')) {
if (! function_exists('block_on_function_lock')) {
function block_on_function_lock($fn_name, $wait_sec = 2, $timeout = 30) {
if( $wait_sec == 0 )
if ( $wait_sec == 0 )
$wait_sec = 2; // don't let the user pick a value that's likely to crash the system
$start = time();
do {
$r = q("SELECT locked FROM locks WHERE name = '%s' LIMIT 1",
dbesc($fn_name)
);
dbesc($fn_name)
);
if (dbm::is_result($r) && $r[0]['locked'])
if (dbm::is_result($r) && $r[0]['locked']) {
sleep($wait_sec);
}
} while(dbm::is_result($r) && $r[0]['locked'] && ((time() - $start) < $timeout));
} while (dbm::is_result($r) && $r[0]['locked'] && ((time() - $start) < $timeout));
return;
}}
if(! function_exists('unlock_function')) {
if (! function_exists('unlock_function')) {
function unlock_function($fn_name) {
$r = q("UPDATE `locks` SET `locked` = 0, `created` = '%s' WHERE `name` = '%s'",
dbesc(NULL_DATE),